On Thu, 2006-08-17 at 22:37 +0200, Mathias Friman wrote: > I can play sound for the Phones-output jack through Audacity with > PortAudio v19 using both (hw:1,0) and (hw:1,1) > but i cannot do: > > aplay -D hw:1,0 test.wav or > aplay -D hw:1,1 test.wav > > because it outputs: > > Plays WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, > Mono > aplay: set_params:901: Channels count not available Use plughw:x,x, not hw:x,x. Probably the device does not support mono natively. If this fails, post the output of "aplay -v -D plughw:1,0 test.wav" etc. Lee